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Finding the Fourth Proportional to 217,045.60, 325,568.40 and 123,733.60

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Solution

The fourth proportional to 217,045.60, 325,568.40 and 123,733.60 is: 185,600.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,045.60 : 325,568.40 = 123,733.60 : x
  2. Step 2: Convert to fraction form
    217,045.60/325,568.40 = 123,733.60/x
  3. Step 3: Cross multiply
    217,045.60x = 325,568.40 × 123,733.60
  4. Step 4: Simplify right side
    217,045.60x = 40,283,750,178.24
  5. Step 5: Solve for x
    x = 40,283,750,178.24/217,045.60
  6. Step 6: Final answer
    x = 185,600.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.